pgAdmin 4 commit: Speed up the expansion/collapsing of nodes.

Speed up the expansion/collapsing of nodes.
[as per Thom Brown <thom(at)linux(dot)com>]

Also, we will not like to wait for 500 microsecond before initialing the
tree items, load them asap.

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=b056ba7bb719e327af8bceb08ad263af484aa65e
Author: Ashesh Vashi <ashesh(dot)vashi(at)enterprisdb(dot)com>

Modified Files
--------------
web/pgadmin/browser/templates/browser/js/browser.js | 10 ++++++++++
1 file changed, 10 insertions(+)